NPIMap

Individual provider Active NPI

Qiwei W. Gai, MD

  • Hematology & Oncology Physician
  • Easton, MD
National Provider Identifier
1780889139
Registry record updated Mar 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
D0066409 Issued in MD
Practice address
8221 Teal Dr Ste 302
Easton, MD 21601-7215
Phone
(410) 820-5945
Fax
(410) 820-9642
NPI assigned
Jun 17, 2007
Last updated
Mar 16, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 16, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Specialist 174400000X D0066409 MD
Hematology & Oncology Physician 207RH0003X D0066409 MD Primary
Hematology & Oncology Physician 207RH0003X 0101253413 VA

Addresses

Primary practice location

8221 Teal Dr Ste 302
Easton, MD 21601-7215

Mailing address

PO Box 749495
Atlanta, GA 30374-9495
Phone (855) 963-2100

Other practice location 1

2977 4H Park Rd Ste 102
Centreville, MD 21617-2237
Phone (410) 758-4030

Other practice location 2

8316 Arlington Blvd
Suite 650
Fairfax, VA 22031-5207
Phone (709) 698-9400

Other practice location 3

291 Stoner Ave
Westminster, MD 21157-5647
Phone (410) 871-6400

Other identifiers 1

IdentifierTypeStateIssuer
018845000MedicaidMD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20081027000381 MD Practitioner - Hematology/OncologyPractitioner - Internal Medicine 5890853485 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Carroll Regional Cancer Center Physicians, LLCGroup PAC ID 5092987354, 5 clinicians
American Oncology Partners PAGroup PAC ID 0042569758, 377 clinicians

Practice addresses (Care Compare)

291 Stoner Ave
Westminster, MD 21157-5647
Phone (410) 871-6400

8221 Teal Dr
Suite 302
Easton, MD 21601-7215
Phone (410) 820-5945

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
85.03 of 100Reported as group
Quality
71.4
Promoting interoperability
100
Improvement activities
40
Cost
73.75

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
D0066409MDMDSpecialist

Practice roles

OrganizationSpecialtyStatusNew patients
Carroll Regional Cancer Center Physicians, LLC Hematology & Oncology CurrentSince Jun 19, 2017 Accepting new patients
Union Memorial Hospital Past Accepting new patients
Upper Chesapeake Medical Services, Inc Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

291 Stoner Ave
Westminster, MD 21157
Phone (410) 871-6139

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 11

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1182038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773619200000",
    "number": "1780889139",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 749495",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303749495",
            "telephone_number": "855-963-2100",
            "fax_number": "813-321-1296"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8221 TEAL DR STE 302",
            "city": "EASTON",
            "state": "MD",
            "postal_code": "216017215",
            "telephone_number": "410-820-5945",
            "fax_number": "410-820-9642"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2977 4H Park Rd Ste 102",
            "address_purpose": "LOCATION",
            "city": "Centreville",
            "state": "MD",
            "postal_code": "216172237",
            "country_code": "US",
            "telephone_number": "410-758-4030",
            "fax_number": "410-758-4733",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8316 Arlington Blvd",
            "address_2": "SUITE 650",
            "address_purpose": "LOCATION",
            "city": "Fairfax",
            "state": "VA",
            "postal_code": "220315207",
            "country_code": "US",
            "telephone_number": "709-698-9400",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "291 Stoner Ave",
            "address_purpose": "LOCATION",
            "city": "Westminster",
            "state": "MD",
            "postal_code": "211575647",
            "country_code": "US",
            "telephone_number": "410-871-6400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GAI",
        "first_name": "QIWEI",
        "middle_name": "W.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-17",
        "last_updated": "2026-03-16",
        "certification_date": "2026-03-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "MD",
            "license": "D0066409",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MD",
            "license": "D0066409",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "VA",
            "license": "0101253413",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "018845000",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Easton, MD

Sources for this page

Verify at the official NPI Registry.